/*
  Copyright (C) 2011, Kyungjoo Kim
  
  This file is part of LINAL (LINear ALgebra)
  
  All rights reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
  
  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
  
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  Also add information on how to contact you by electronic and paper mail.
  
  
  Kyungjoo Kim
  iamkyungjoo@gmail.com
*/
#ifndef LINAL_DEVICE_OP_BASE_HXX
#define LINAL_DEVICE_OP_BASE_HXX

namespace linal {
  /*! Abstract interfaces for the dispatcher 
   */
  class Operation_ {
  private:
  protected:
  public:
    virtual ~Operation_() { }
    
    // ** define interface to all operations
    virtual Int_ chol_nopiv  ( Int_ uplo,  FLA_Obj &A )=0;
    virtual Int_ chol_piv    ( Int_ uplo,  FLA_Obj &A,  FLA_Obj &p )=0;
    virtual Int_ ldl_nopiv   ( Int_ uplo,  FLA_Obj &A )=0;
    virtual Int_ ldl_piv     ( Int_ uplo,  FLA_Obj &A,  FLA_Obj &p )=0;
    virtual Int_ lu_nopiv    ( FLA_Obj &A )=0;
    virtual Int_ lu_piv      ( FLA_Obj &A,  FLA_Obj &p )=0;
    virtual Int_ qr          ( FLA_Obj &A,  FLA_Obj &T )=0;


    virtual Int_ gemm( Int_ transa,  Int_ transb,
                       FLA_Obj &alpha,  FLA_Obj &A,  FLA_Obj &B,
                       FLA_Obj &beta,   FLA_Obj &C )=0;
    virtual Int_ herk( Int_ uplo,  Int_ trans,
                       FLA_Obj &alpha,  FLA_Obj &A,
                       FLA_Obj &beta,   FLA_Obj &C )=0;
    virtual Int_ trmm( Int_ side,  Int_ uplo, Int_ trans, Int_ diag,
                       FLA_Obj &alpha,  FLA_Obj &A,  FLA_Obj &B )=0;
    virtual Int_ trsm( Int_ side,  Int_ uplo, Int_ trans, Int_ diag,
                       FLA_Obj &alpha,  FLA_Obj &A,  FLA_Obj &B )=0;
    virtual Int_ syrk( Int_ uplo,  Int_ trans,
                       FLA_Obj &alpha,  FLA_Obj &A,
                       FLA_Obj &beta,   FLA_Obj &C )=0;
  };
}

#endif
